Sandbox buyers
How to approve a hold with a PayPal sandbox buyer, and what to try when the PayPal window gives trouble.
The buyer logins are not published here or in the repository. They are in the Devpost testing instructions. Without them, use the scripted demo, which needs no login.
Start a room
Open the web app and press "Start a demo auction" (or open /try). The room lasts about thirty minutes.
Join as a bidder
Open the big screen link in a second window, or scan its QR code. Enter a name and pick a ceiling.
Approve the hold
Press and hold the approve button for 3 seconds (a two-tap alternative sits below it). In the PayPal sandbox window, log in with the sandbox buyer from the Devpost field.
Bid and hammer
Place a bid, then press hammer in the console. The winner is captured for the winning price only and the other holds are released. The receipt and the audit trail show the result.
If the PayPal window gives trouble
| Symptom | What to try |
|---|---|
| The login is refused | Check for typos, use a private window, and make sure the address contains sandbox. |
| The popup is blocked | Allow popups for the GAVEL site and press approve again. |
| Room is full, expired or the code is wrong | Start a new demo auction and use the fresh code. |
| Judge rooms are off or the host is busy | Use /demo/scripted, a recorded room with no login. |
| The hold shows as released | The hold is old. Register, bid and hammer in one sitting. |
Credentials never go in issues, pull requests or docs. If an account is locked, say so through Devpost or an issue without pasting a password.
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